Submission #1075928

# Submission time Handle Problem Language Result Execution time Memory
1075928 2024-08-26T09:50:16 Z mdn2002 The Big Prize (IOI17_prize) C++14
90 / 100
38 ms 1588 KB
#include "prize.h"
#include<bits/stdc++.h>
using namespace std;
map<int, vector<int>> mp;
vector<int> askk (int x) {
    if (mp.count(x) == 0) return mp[x] = ask(x);
    return mp[x];
}
int find_best(int n) {
	int mx = 0, lim = 500;
	for (int i = 0; i < min(n, lim); i ++) {
        vector<int> a = askk(i);
        mx = max(mx, a[0] + a[1]);
        if (a[0] + a[1] == 0) return i;
	}

	int xxx = 300;
	for (int i = 0; i < n; i ++) {
        vector<int> a = askk(i);
        if (a[0] + a[1] == mx) {
            if (i + xxx < n) {
                vector<int> c = askk(i + xxx);
                if (a[1] == c[1]) {
                    i += xxx;
                    continue;
                }
            }
            int l = 0, r = xxx;
            while (l < r) {
                int mid = (l + r) / 2;
                if (i + mid >= n) r = mid;
                else {
                    vector<int> b = askk(i + mid);
                    if (a[1] == b[1]) l = mid + 1;
                    else r = mid;
                }
            }
            i += l - 1;
        }
        else if (a[0] + a[1] == 0) return i;
	}
}

Compilation message

prize.cpp: In function 'int find_best(int)':
prize.cpp:42:1: warning: control reaches end of non-void function [-Wreturn-type]
   42 | }
      | ^
# Verdict Execution time Memory Grader output
1 Correct 4 ms 596 KB Output is correct
2 Correct 11 ms 344 KB Output is correct
3 Correct 6 ms 344 KB Output is correct
4 Correct 13 ms 744 KB Output is correct
5 Correct 7 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 4 ms 344 KB Output is correct
8 Correct 4 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 9 ms 600 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 344 KB Output is correct
2 Correct 7 ms 596 KB Output is correct
3 Correct 7 ms 344 KB Output is correct
4 Correct 10 ms 568 KB Output is correct
5 Correct 8 ms 704 KB Output is correct
6 Correct 0 ms 596 KB Output is correct
7 Correct 6 ms 344 KB Output is correct
8 Correct 6 ms 344 KB Output is correct
9 Correct 6 ms 344 KB Output is correct
10 Correct 9 ms 600 KB Output is correct
11 Correct 4 ms 344 KB Output is correct
12 Correct 3 ms 344 KB Output is correct
13 Correct 10 ms 612 KB Output is correct
14 Correct 4 ms 496 KB Output is correct
15 Correct 5 ms 600 KB Output is correct
16 Partially correct 33 ms 1012 KB Partially correct - number of queries: 5160
17 Correct 2 ms 344 KB Output is correct
18 Partially correct 32 ms 1336 KB Partially correct - number of queries: 6119
19 Correct 2 ms 600 KB Output is correct
20 Correct 10 ms 460 KB Output is correct
21 Correct 12 ms 856 KB Output is correct
22 Correct 3 ms 344 KB Output is correct
23 Correct 4 ms 340 KB Output is correct
24 Correct 3 ms 344 KB Output is correct
25 Correct 21 ms 848 KB Output is correct
26 Correct 16 ms 752 KB Output is correct
27 Correct 4 ms 344 KB Output is correct
28 Partially correct 38 ms 1104 KB Partially correct - number of queries: 5627
29 Correct 21 ms 1012 KB Output is correct
30 Partially correct 29 ms 1076 KB Partially correct - number of queries: 6095
31 Correct 2 ms 600 KB Output is correct
32 Correct 8 ms 600 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 13 ms 824 KB Output is correct
35 Correct 8 ms 344 KB Output is correct
36 Correct 7 ms 856 KB Output is correct
37 Correct 4 ms 344 KB Output is correct
38 Correct 3 ms 344 KB Output is correct
39 Correct 14 ms 600 KB Output is correct
40 Partially correct 22 ms 848 KB Partially correct - number of queries: 5166
41 Correct 21 ms 848 KB Output is correct
42 Correct 12 ms 600 KB Output is correct
43 Correct 25 ms 856 KB Output is correct
44 Correct 15 ms 856 KB Output is correct
45 Correct 10 ms 856 KB Output is correct
46 Correct 2 ms 344 KB Output is correct
47 Correct 14 ms 736 KB Output is correct
48 Correct 27 ms 792 KB Output is correct
49 Correct 5 ms 344 KB Output is correct
50 Partially correct 33 ms 1172 KB Partially correct - number of queries: 6110
51 Correct 12 ms 856 KB Output is correct
52 Correct 3 ms 344 KB Output is correct
53 Correct 6 ms 600 KB Output is correct
54 Correct 10 ms 504 KB Output is correct
55 Correct 3 ms 344 KB Output is correct
56 Partially correct 38 ms 1588 KB Partially correct - number of queries: 6116
57 Correct 26 ms 824 KB Output is correct
58 Correct 31 ms 940 KB Output is correct
59 Correct 20 ms 604 KB Output is correct
60 Correct 17 ms 740 KB Output is correct
61 Correct 8 ms 592 KB Output is correct
62 Correct 5 ms 600 KB Output is correct
63 Correct 7 ms 600 KB Output is correct
64 Correct 9 ms 600 KB Output is correct
65 Correct 9 ms 724 KB Output is correct
66 Correct 12 ms 652 KB Output is correct
67 Correct 9 ms 564 KB Output is correct
68 Correct 2 ms 344 KB Output is correct
69 Correct 11 ms 600 KB Output is correct
70 Correct 14 ms 600 KB Output is correct
71 Partially correct 33 ms 988 KB Partially correct - number of queries: 5758
72 Correct 9 ms 600 KB Output is correct
73 Partially correct 29 ms 1000 KB Partially correct - number of queries: 5700
74 Partially correct 32 ms 1156 KB Partially correct - number of queries: 5726
75 Correct 7 ms 600 KB Output is correct
76 Partially correct 25 ms 1104 KB Partially correct - number of queries: 5158
77 Partially correct 38 ms 1228 KB Partially correct - number of queries: 5749
78 Correct 11 ms 600 KB Output is correct
79 Correct 17 ms 600 KB Output is correct
80 Partially correct 37 ms 828 KB Partially correct - number of queries: 5750
81 Partially correct 34 ms 1036 KB Partially correct - number of queries: 5749
82 Partially correct 32 ms 1012 KB Partially correct - number of queries: 5710
83 Correct 9 ms 648 KB Output is correct
84 Correct 31 ms 1212 KB Output is correct
85 Partially correct 31 ms 1048 KB Partially correct - number of queries: 5727
86 Correct 7 ms 588 KB Output is correct
87 Correct 13 ms 600 KB Output is correct
88 Correct 7 ms 600 KB Output is correct
89 Correct 8 ms 600 KB Output is correct
90 Correct 10 ms 608 KB Output is correct
91 Correct 9 ms 600 KB Output is correct
92 Correct 8 ms 448 KB Output is correct
93 Correct 9 ms 452 KB Output is correct
94 Correct 13 ms 720 KB Output is correct
95 Correct 13 ms 588 KB Output is correct
96 Correct 10 ms 600 KB Output is correct
97 Correct 12 ms 600 KB Output is correct